21 TRAPA NATANS L.         1-6
   21 NUPHAR LUTEUM SM.       1-6
   21 CERATOPHYLLUM DEMERSUM  1-6
   18 NYMPHOIDES PELTATA (GME 1-6
   18 MYRIOPHYLLUM VERTICILLA 1-6
   14 POTAMOGETON LUCENS L.   1-6
   12 NYMPHAEA ALBA L.        1-6

   12 UTRICULARIA MAJOR SCHMI 1-6
   11 NYMPHOIDES PELTATA (GME 5-6
    9 HIPPURIS VULGARIS L.    1-6
    8 MYRIOPHYLLUM VERTICILLA 4-6
    7 NUPHAR LUTEUM SM.       4-6
    4 SALVINIA NATANS (L.) AL 1-6
    4 NAIAS MAJOR ALL.        1-6

    4 TRAPA NATANS L.         4-6
    3 SPIRODELA POLYRRHIZA (L 1-6
    3 RANUNCULUS CIRCINATUS S 1-6
    2 POTAMOGETON CRISPUS L.  1-6
    2 LEMNA MINOR L.          1-6
    2 HYDROCHARIS MORSUS-RANA 1-6
    2 HIPPURIS VULGARIS L.    3-6

    1 POTAMOGETON PECTINATUS  1-6
    1 POTAMOGETON NATANS L.   1-6
    1 HOTTONIA PALUSTRIS L.   1-6
    1 UTRICULARIA MAJOR SCHMI 3-6
    1 MYRIOPHYLLUM SPICATUM L 1-6
    1 CERATOPHYLLUM DEMERSUM  5-6